and europe, south america and north america. the united states, a beacon of light, right there across the galaxy. >>> and our person tonight is dave brubeck, the man who put the urgent pulse into american jazz. he died at the age of 91, after a life of breaking through racial barriers and musical ones. before brubeck, this was the simple rhythm of most jazz songs. listen. ♪ but after brubeck, the famous five-four rhythm that rocked the world. here it is. ♪ dave brubeck. and we know there are people and videos that capture your imagination every day, so, tweet me your thoughts for the "instant index," @dianesawyer. >>> and, coming up right now, we have a test for you. is this the queen of england? >> my dear, thank you so much. >> or, is this the queen of england? >> thank you for inviting me. >> do you know which one is the imposter? stay tuned. made a commitment to the gulf. bp has paid over twenty-three billion dollars to help those affected and to cover cleanup costs. today, the beaches and gulf are open, and many areas are reporting their best tourism seasons in years. and bp'